Re: Needs enhancement: "is my guix current?"

[Alex Vong]

Hello,

I think if you never run 'guix refresh', then the guix installed should
always be newer than the guix known to guix.

The argument is as followed:
When you install guix, the guix known to guix is at least 1 commit older
than the installed guix. When you run 'guix pull', the installed guix is
updated to its latest version in master and the guix known to guix is
also always at least 1 commit older than that latest version.
(The reason for the >= 1 commit lag is because it takes 1 commit to
update the hash for the guix known to guix.)

To sum up, if you never run 'guix refresh', then the guix installed
should always be newer than the guix known to guix. If you have run
'guix refresh', then we know nothing since 'guix refresh' only updates
the guix known to guix (whch mess up the invariant).

Hope this make sense!

Hartmut Goebel <address@hidden> writes:

> Hi,
>
> on my effort to solve the problems when updating to guix 0.14.0, I
> stepped over this simple question:
>
> Is the installed guix the current one, resp. the current one my guix
> knows of? Is there anyway to find out whether 20170924.19 or
> 0.13.0-6.a9468b4 is newer?
>
> guix installed:
>
>     # guix --version
>     guix (GNU Guix) 20170924.19
>
> guix knows to my guix:
>
>     # guix package -A guix
>     guix    0.13.0-6.a9468b4
>
>
> From the usability point of view, this information needs to be ovbiously
> available. Users should easily be able to to determine which version is
> the newer one.
>
> Since I do not know how these different version numbers are generated, I
> can't make any suggestions, though. Sorry.

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